Codecademy export

main.js

const prompt = require("prompt-sync")({ sigint: true });

const hat = "^";
const hole = "O";
const fieldCharacter = "░";
const pathCharacter = "*";

class Field {
  constructor(field) {
    this.field = field;
    this.x = 0;
    this.y = 0;
  }

  runGame() {
    let gameOver = false;
    while (!gameOver) {
      this.print();
      this.requestInput();
      gameOver = this.testPosition() ? true : false;
      this.field[this.y][this.x] = pathCharacter;
    }
  }

  requestInput() {
    const move = prompt(`What's your move..?`).toUpperCase();
    switch (move) {
      case "W":
        this.y -= 1;
        break;
      case "A":
        this.x -= 1;
        break;
      case "S":
        this.x += 1;
        break;
      case "Z":
        this.y += 1;
        break;
      default:
        console.log("Move with W,A,S,Z keys.");
        break;
    }
  }

  testPosition() {
    switch (this.field[this.y][this.x]) {
      case hat:
        console.log("Hurray, you win!");
        return true;
        break;
      case hole:
        console.log("Oops! You fell in a hole. You lose");
        return true;
        break;
      case fieldCharacter:
        return false;
        break;
      default:
        console.log("Out of bounds. You lose.");
        return true;
    }
  }

  static generateField(width, height, percentage = 0.1) {
    const field = new Array(height).fill().map((arr) => new Array(width));
    for (let y = 0; y < height; y++) {
      for (let x = 0; x < width; x++) {
        let random = Math.random();
        field[y][x] = random > percentage ? fieldCharacter : hole;
      }
    }
    field[0][0] = pathCharacter;

    const hatLocation = {
      x: Math.floor(Math.random() * width),
      y: Math.floor(Math.random() * height),
    };

    while (hatLocation.x === 0 && hatLocation.y === 0) {
      hatLocation.x = Math.floor(Math.random() * width);
      hatLocation.y = Math.floor(Math.random() * height);
    }
    field[hatLocation.y][hatLocation.x] = hat;
    return field;
  }

  print() {
    let x = [];
    for (let i = 0; i < this.field.length; i++) {
      x.push(this.field[i].join(""));
    }
    console.log(x.join("\n"));
  }
}

const myField = new Field(Field.generateField(7,10,0.25));

myField.runGame();